Michigan State Police investigators believe alcohol and speed may be factors in a crash that injured two occupants in the early morning hours of Sunday, Jan. 27.

SANILAC TOWNSHIP, MI — A driver and passenger from southeast Michigan were injured when the car they were traveling in struck a deer, causing the vehicle to rollover multiple times, according to Michigan State Police at the Caro Post.

Both alcohol and speed may have been be factors in the crash, police said.

A vehicle with two occupants eastbound on Washington near State struck a deer and left off the north side of the roadway, overturning multiple times, police said.

The 19-year-old male passenger from St. Clair and the driver, a 20-year-old male from Southfield, were transported by a family member to a nearby residence where they called police and ambulance, police said.

The driver was taken by FlightCare from McKenzie Memorial Hospital in Sandusky to St. Mary's Hospital in Saginaw. He is listed in serious condition.

The passenger was transported to McKenzie Memorial Hospital and later to Covenant Hospital in Saginaw for further treatment.

The Sanilac County Sheriff Department, Croswell EMS and Sanilac EMS assisted the Michigan State Police.